三个坚持https://media.nfnews.com/nfplus/ossfs/pic/xy/202412/17/b3e2477b-9427-4cd6-b53b-9fbd23b5bc02.jpg?x-oss-process=style/w640|https://media.nfnews.com/nfplus/ossfs/pic/xy/202412/17/3fe0e1e8-d9d3-41b4-b932-97035547167b.jpg?x-oss-process=style/w640|https://media.nfnews.com/nfplus/ossfs/pic/xy/202311/28/ff7100b7-dd2b-4a45-b577-486b8fd017ee.jpg?x-oss-process=style/w640|https://media.nfnews.com/nfplus/ossfs/pic/xy/202412/17/fa11fa7e-f730-4d89-9901-d5db8f7ad72b.jpg?x-oss-process=style/w640

（作者：保定德世水利工程有限公司）